xmodem升级IOS的详细步骤
, 2 = 1200, 3 = 2400
4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [7]: 7
change the boot characteristics? y/n [n]: y
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[0]: 0
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 115200
boot: the ROM Monitor
do you wish to change the configuration? y/n [n]: n
You must reset or power cycle for new config to take effect
rommom 2 > reset
The next step is to open a new hyperterminal with settings as follows,
Bits per second - 115200
Data bits - 8
Parity - None
Stop bits - 1
Flow control - Hardware
After setting the hyperterminal you get a rommon prompt, and type the
xmodem command. Before typing an xmodem command there should be a software
image
residing in your terminal or your local C drive.
rommon 2 > xmodem -c c3640-i-mz.121-7.bin
Do not start the sending program yet...
File size Checksum File name
4936800 bytes (0x4b5460) 0x2dd7 c3640-i-mz.121-7.bin (bad checksum:
0x13eb)
WARNING: All existing data in flash will be lost!
Invoke this application only for disaster recovery.
Do you wish to continue? y/n [n]: y
Ready to receive file c3640-i-mz.121-7.bin ...
After the above message appears u have to download the file using xmodem,
the procedure is as follows,
1) Go to Hyperterminal, click Transfer
2) Click on send file
3) click on browse -------- look for the file name in your local "C"
drive
4) Below filename field is Protocol ------- change it to xmodem
5) And then clik on send
After some time the router will reload itself and will ask you "Press
return to get stated"
Router> en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#conf t
Router(config)#config-register 0x2102
Router(config)#line con 0
Router(config-line)# speed 9600 --------- Change the speed of the
console port to 9600
Then go to Hyperterminal and change baud rate to 9600 in your terminal.
Router(config-line)#ctrl z
Router #write mem
Router #reload
4 = 19200, 5 = 38400, 6 = 57600, 7 = 115200 [7]: 7
change the boot characteristics? y/n [n]: y
enter to boot:
0 = ROM Monitor
1 = the boot helper image
2-15 = boot system
[0]: 0
Configuration Summary
enabled are:
load rom after netboot fails
console baud: 115200
boot: the ROM Monitor
do you wish to change the configuration? y/n [n]: n
You must reset or power cycle for new config to take effect
rommom 2 > reset
The next step is to open a new hyperterminal with settings as follows,
Bits per second - 115200
Data bits - 8
Parity - None
Stop bits - 1
Flow control - Hardware
After setting the hyperterminal you get a rommon prompt, and type the
xmodem command. Before typing an xmodem command there should be a software
image
residing in your terminal or your local C drive.
rommon 2 > xmodem -c c3640-i-mz.121-7.bin
Do not start the sending program yet...
File size Checksum File name
4936800 bytes (0x4b5460) 0x2dd7 c3640-i-mz.121-7.bin (bad checksum:
0x13eb)
WARNING: All existing data in flash will be lost!
Invoke this application only for disaster recovery.
Do you wish to continue? y/n [n]: y
Ready to receive file c3640-i-mz.121-7.bin ...
After the above message appears u have to download the file using xmodem,
the procedure is as follows,
1) Go to Hyperterminal, click Transfer
2) Click on send file
3) click on browse -------- look for the file name in your local "C"
drive
4) Below filename field is Protocol ------- change it to xmodem
5) And then clik on send
After some time the router will reload itself and will ask you "Press
return to get stated"
Router> en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#conf t
Router(config)#config-register 0x2102
Router(config)#line con 0
Router(config-line)# speed 9600 --------- Change the speed of the
console port to 9600
Then go to Hyperterminal and change baud rate to 9600 in your terminal.
Router(config-line)#ctrl z
Router #write mem
Router #reload
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